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Oracle database 10g:Administration I Sample Questions:

1. You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?

A) Increase Shared Pool size to cache more PL/SQL objects.
B) Increase Database Buffer Cache size to increase cache hits.
C) Configure Large Pool to be used by RMAN and shared server.
D) Configure Java Pool to cache the java objects.
E) Increase the total System Global Area (SGA) size to increase memory hits.
F) Configure Streams Pool to enable parallel processing.

2. You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?

A) re-creating the control files, after you lost all the control files in your database
B) renaming the control files
C) enabling or disabling redo log archiving
D) dropping a tablespace in your database
E) dropping a user in your database

3. In your database, the snapshot interval is set to 10 minutes for the Automatic Workload Repository (AWR). The database instance is running for the past 30 days.
View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) task.
The ADDM task is performed every 10 minutes, except the last task. What could be the reason for this?

A) The STATISTICS_LEVEL initialization parameter was changed to BASIC and reset to TYPICAL before the last task.
B) The snapshot retention period for the AWR was increased before the last task.
C) The optimizer statistics for few objects in the database were locked before the last task.
D) The optimizer statistics was collected manually by using the DBMS_STATS package before the last task.

4. You execute the following set of commands to create a database user and to grant the system privileges in your production environment.
SQL> CREATE USER user01 IDENTIFIED BY oracle DEFAULT TABLESPACE tbs1 TEMPORARY TABLESPACE temp
PROFILE default
/
SQL> GRANT create session, create table TO user01;
While executing the command to create a table, the user gets the following error message and the CREATE TABLE.. command fails.
ERROR at line 1:
ORA-01950: no privileges on tablespace
What could be the possible reason for this error message?

A) The user does not have sufficient system privileges to create table in the TBS1 tablespace.
B) The tablespace TBS1 is full.
C) The user is not the owner of the SYSTEM tablespace.
D) The user does not have quota on the TBS1 tablespace.
E) The user does not have sufficient privileges to create table on the default permanent tablespace.

5. You want to create a tablespace with the following specifications:
1.The tablespace extends automatically.
2.Used and free extents should be managed by bitmaps.
3.Default PCTUSED attribute is set to 60.
4.All the extents would be of size 1 MB.
Which three options would you choose to create the tablespace? (Choose three.)

A) tablespace with segment space management as manual
B) tablespace with a uniform extent allocation of 1 MB
C) tablespace with dictionary-managed extents
D) tablespace with segment space management as automatic
E) tablespace with AUTOEXTEND enabled

Solutions: